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  • Vascular catheters designed for use in crossing through chronic total occlusions (CTO) in the vasculature (usually the arteries) using high-frequency mechanical vibrations. These devices consist of a catheter with appropriate dimensions (i.e., diameter and length) according to the artery and/or location of the occlusion. They typically include a core wire that transmits the mechanical vibrations to the tip of the catheter and irrigation capabilities. The catheters are components of vascular occlusion crossing systems that also include a high frequency generator, transducers, and irrigation injectors. Occlusion crossing vascular catheters are mainly intended to facilitate guidewire passage across the CTO, permitting subsequent angioplasty procedures and/or stent placement. Dedicated catheters are available according to the vessel where they are used such as the coronary and peripheral arteries.
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